Keeps water fresh by reducing and removing chlorine, taste, odor, herbicides, pesticides, and other industrial chemicals Universal Replacement for all 10" Big Blue Water Filter Housing and WELL-MATCHED Models of Cartridges: DuPont WFHDC8001, Watts MAXETW-FF975, KX Technologies 32-425-125-975, Clear Choice 84629, Liquatec CB-450-975-05, MATRIKX-CTO2-HD10, Pelican CB-BB-10, EP-BB, EP, EPM, CBC, CCBC CEP Series, Pentek 155548-43, Trojan CB-BB-10, WCBFF975 Product Lifetime - 10,000 gallons - replace two or three times a year - depending on your water quality This filter is wrapped and sealed and meets NSF (National Science Foundation) Standards and Regulations. Dimensions: 10 inches x 4.5 inches (24.4 cm x 11.43 cm) WELL-FIT FOLLOWING HOUSINGS: Pentek 150237, 150469, 153029 #10, BIG-CLEAR-LX-10 and A48249, Aqua Filter Plus 150237-INSTKIT, BLUONICS BLBB20GAC, BLBBC10 and BLBB10x2, iSpring HB18B, OMNIFilter BF7-S-05 and BF7-S-S06, American Plumber W10-PR, Watts W10FFPH1CBPR, SimPure RSWHB001Z_S8, AB-WH10BBN, Hydronix HX-HF45-10CLBK10 and HF45-10BLBK15, Geekpure BB-10T and BB-10B, EcoPure EPWO4, Culligan HD-950A, Aquaboon AB-WH10BB-1S10BB5M Specifications Keeps water fresh by reducing and removing chlorine, taste, odor, herbicides, pesticides, and other industrial chemicals Fits into any industry Big Blue Housing Product Lifespan: Replace two or three times a year - depending on your water quality Dimensions: 10 inches x 4.5 inches (24.4 cm x 11.43 cm) 2-pack of 5 Micron Big Blue Activated Carbon Block Water Filters Micron Rating: 5 Micron Dimensions: 10 inches x 4.5 inches Product Lifetime: 10,000 gallons. Replace two to three times per year, depending on your water quality.